Dual thermostat system



FIG. 1 is a perspective view of a dual thermostat system showing my new design;

FIG. 2 is a front view of the thermostat system portion thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a right side view of the hose portion thereof;

FIG. 9 is a left side view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a front view thereof;

FIG. 12 is a top view thereof; and,

FIG. 13 is a bottom view thereof. 

The ornamental design for a dual thermostat system, as shown and described. 